#include <stdio.h>
#include <stdlib.h>
#include <stdlib.h>
#include <stdbool.h>

#include "highscores.h"

User * HIGHSCORES_GetList(int * usercount){
    printf("Call BHI interface:\n");
    system("bhi top output.txt");
    printf("BHI interface quit!\nBHI output handling...\n");

    *usercount = 0;
    FILE * fp;
    char * line = NULL;
    size_t len = 0;
    ssize_t read;
    char * name, * scorestring;
    int nameCharCount = 0, scoreCharCount = 0;
    bool switchread = false;
    User * ul = malloc(10 * sizeof(User));
    fp = fopen("output.txt", "r");
    if (fp == NULL)
        return ul;
    if ((read = getline(&line, &len, fp)) != -1)
        if (line[0] == 0)
            return ul;
    int counter = 0;
    while ((read = getline(&line, &len, fp)) != -1) {
        name = malloc(read * sizeof(char));
        scorestring = malloc(read * sizeof(char));
        nameCharCount = 0;
        scoreCharCount = 0;
        switchread = false;
        #ifdef DEBUG
        printf("Retrieved line of length %u:\n", read);
        printf("%s", line);
        #endif
        for (ssize_t i = 0; i < read; i++) {
            if (line[i] == '+') {
                switchread = true;
                continue;
            }
            if (switchread) {
                if (line[i] == '\n') break;
                scorestring[scoreCharCount++] = line[i];
            } else
                name[nameCharCount++] = line[i];
        }
        name[nameCharCount] = '\0';
        scorestring[scoreCharCount] = '\0';
        User tmp;
        tmp.Username = name;
        tmp.Score = scorestring;
        ul[counter++] = tmp;
    }

    fclose(fp);
    if (line)
        free(line);
    for (size_t i = 0; i < counter; i++) {
        printf("User: %s -> Score: %s\n", ul[i].Username, ul[i].Score);
    }

    *usercount = counter;
    printf("BHI Interface successfully quit!\n");
    return ul;
} /* main */